function css_browser_selector(e){var f=e.toLowerCase(),l=function(b){return f.indexOf(b)>-1},k="gecko",d="webkit",j="safari",i=document.getElementsByTagName("html")[0],a=[(!(/opera|webtv/i.test(f))&&/msie\s(\d)/.test(f))?("ie ie"+RegExp.$1):l("firefox/2")?k+" ff2":l("firefox/3")?k+" ff3":l("gecko/")?k:/opera(\s|\/)(\d+)/.test(f)?"opera opera"+RegExp.$2:l("konqueror")?"konqueror":l("chrome")?d+" chrome":l("applewebkit/")?d+" "+j+(/version\/(\d+)/.test(f)?" "+j+RegExp.$1:""):l("mozilla/")?k:"",l("j2me")?"mobile":l("iphone")?"iphone":l("ipod")?"ipod":l("mac")?"mac":l("darwin")?"mac":l("webtv")?"webtv":l("win")?"win":l("freebsd")?"freebsd":(l("x11")||l("linux"))?"linux":"","js"];c=a.join(" ");i.className+=" "+c;return c}css_browser_selector(navigator.userAgent);